Concise review of Osmundea pinnatifida (Hudson) Stackhouse
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Concise review of Osmundea pinnatifida (Hudson) Stackhouse Paulo Silva 1
&
Leonel Pereira 2
Received: 10 January 2020 / Revised and accepted: 12 June 2020 # Springer Nature B.V. 2020
Abstract Osmundea pinnatifida is an edible red seaweed well-known for its strong smell and a slightly spicy taste that resembles mussels, crabs, or truffles, therefore being commonly called “pepper dulse” or “truffle of the sea.” Due to these features, it has a great potential for gastronomic purposes (either in simple/traditional or haute cuisine dishes), which led to an interest in its farming. However, to date, there is no known commercial cultivation of this species, which might be due mostly to its nature (it is a lightsensitive seaweed) and slow growth. The present work compiles the published literature on O. pinnatifida and presents a concise review on this species’ nomenclature and taxonomy, ecology, geographical distribution, cultivation, and of its biotechnological potential, namely in bioremediation, gastronomy, and pharmacology (nutritional and biological activities—prebiotic, antioxidant, antitumor, antiviral, antiprotozoal, antibacterial, antifouling, and antifungal). Keywords Osmundea pinnatifida . Rhodophyta . Biotechnological potential . Gastronomy . Seaweed farming . Ecology . Taxonomy
Identity Nomenclature Valid scientific name The original name (basionym) was Fucus pinnatifidus Hudson 1762, but currently the accepted scientific name is Osmundea pinnatifida (Hudson) Stackhouse 1809. The type locality is Harwich, Essex, England (Machín-Sánchez et al. 2012; Guiry and Guiry 2019).
1819; Chondria pinnatifida (Hudson) C. Agardh 1822 (Machín-Sánchez et al. 2012); and Pinnatifida vulgaris Stackhouse 1816 (Guiry and Guiry 2019). Vernacular names In English, it is known as Pepper dulse (Guiry and Guiry 2019), whereas in Portuguese, it can be commonly designated as Erva-malagueta, Botelho-preto, Argacinho-das-lapas, or Pele-de-lapa (Pereira 2009, 2016).
Taxonomy Nomenclatural synonyms Some homotypic synonyms (names belonging to the same type) have arisen: Laurencia pinnatifida (Hudson) J.V. Lamouroux 1813; Gelidium pinnatifidum (Hudson) Lyngbye * Paulo Silva [email protected] 1
UCIBIO-REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, 2829-516 Caparica Portugal
2
MARE – Marine and Environmental Sciences Centre, Department of Life Sciences, Faculty of Sciences and Technology, University of Coimbra, 3001-456 Coimbra Portugal
Despite numerous studies based on morphology and molecular analyses (Nam et al. 1994, 2000; Lewis et al. 2008; MartinLescanne et al. 2010; Machín-Sánchez et al. 2014, 2016; Metti et al. 2015), the phylogeny and taxonomy of much of the Laurencia complex have been somewhat controversial in the past. In fact, a difficulty in distinguishing O. pinnatifida from Laurencia pinnatifida is noticeable in the existing bibliography. The genus Osmundea is set apart from the other four genera of the Laurencia complex (i.e., Laurencia, Chondrophycus, Palisada,
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